About: http://webisa.webdatacommons.org/115508014

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I suspect it is because the question is a homework question and the user wants to remove evidence of receiving help online.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com